class_docstr: The resources required by an operator.
  
  Resources that are not specified will use the default values from the airflow config.
  
  :param cpus: The number of cpu cores that are required
  :param ram: The amount of RAM required
  :param disk: The amount of disk space required
  :param gpus: The number of gpu units that are required
code: def __repr__(self):
      return str(self.__dict__)
  
imports: from __future__ import annotations
  from airflow.configuration import conf
  from airflow.exceptions import AirflowException
label_desc: Use image node_id 3 for calling the Resources obj's underlying member method code with example usage: obj.__repr__() and returns: str